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Vaadin 19.0.0.rc1
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latest releases: 24.6.0.alpha3, 23.5.10, 24.5.4...
pre-release3 years ago

Vaadin 19.0.0.rc1

Vaadin consists of a set of web components, a Java web framework, configurable themes, tools and a set of app templates.

Visit vaadin.com to get started.

New and Noteworthy Since Vaadin 18

Here are the highlighted new and improved features in Vaadin 19. To see the full list of bug fixes and improvements, check Included Projects and Change Log.

Improved theming support

A simplified theming system that works for all Vaadin applications and makes it easy to create a reusable theme dependency. Documentation

Flow

npm build compatibility for OSGi applications

Flow developers can use npm based build and deploy their applications in production mode.

Fusion

Offline start and navigation

Progressive Web Applications got a better offline support in Vaadin 19. This includes starting the app and navigating between client-side routes offline, much easier customizations to the Service Worker, and an update to the loading indicator / reconnect dialog to add a clear indication to the users when the app is offline. Documentation

Breaking Changes

  • Entity field with @Id annotation in Java is now optional in the generated TypeScript code.
    Given an entity with id field, now instead of using entity.id, you might need to change to entity.id! or entity.id?.

Collaboration Engine

The Collaboration Engine (Documentation) is included in Vaadin platform for the first time. It enables end-users to see who else is present in the same view, and edit forms together in real-time.

Components

Changes in 20 of 35 components

  • TypeScript type definitions for component events
    Typed events in all Vaadin components allow using code-completion in IDEs and build time TS compiler checks when creating event listeners for Vaadin components

Changes in vaadin-grid-pro-flow

  • ⧉ Add EditOnClick feature. PR:480. Ticket:73
    Add API to enable edit mode to Grid Pro with a single click on the cell.

Vaadin Commercial License update

Since Vaadin 19, all licenses for vaadin commercial products (PRO components, TestBench, MultiPlatform Runtime, etc) have been updated to Commercial Vaadin Developer License version 4

Support

Vaadin 19 is supported for one month after Vaadin 20 has been released. The latest LTS (long term support) version is Vaadin 14. More details of our release model are available on our roadmap page.

Vaadin also provides commercial support and warranty.

Included Projects and Change Log

Vaadin includes the following projects. Release notes with detailed change logs for each project are linked below.

Projects marked as (Pro) are available for users with Pro or Prime subscriptions. Everything else is free and open source.

Java Web Framework

Components

Vaadin flow components

All listed components' Java integration follow the Vaadin version 19.0.0.rc1

Vaadin Web Components

Themes

  • Vaadin Lumo theme (v1.6.1)
  • Vaadin Material theme (v1.3.2).

Router

Collaboration Engine

  • Vaadin Collaboration Engine (3.0.1)

Tools

Getting Started with Vaadin

App starters

The best way to get started with Vaadin is to go to https://vaadin.com/start and pick an app template for the technology stack you’re interested in.

Note

Vaadin 19 starters are not available just yet in vaadin.com. You can use Vaadin 14 starter and manually change Vaadin version (see instructions below).

Manually changing Vaadin version for Java projects

Add the following contents to your project pom.xml. 

<dependencyManagement>
    ...
    <dependency>
        <groupId>com.vaadin</groupId>
        <artifactId>vaadin-bom</artifactId>
        <version>19.0.0.rc1</version>
        <type>pom</type>
        <scope>import</scope>
    </dependency>
    ...
</dependencyManagement>

<repositories>
    <repository>
        <id>vaadin-prereleases</id>
        <url>https://maven.vaadin.com/vaadin-prereleases</url>
    </repository>
</repositories>

<pluginRepositories>
    <pluginRepository>
        <id>vaadin-prereleases</id>
        <url>https://maven.vaadin.com/vaadin-prereleases</url>
    </pluginRepository>
</pluginRepositories>

Known Issues and Limitations

This is the prerelease version of Vaadin 19 for evaluating a number of new features and bug fixes. The API in this prerelease version is not considered final and may change based on user feedback.

Flow

  • The Template-in-Template feature has some limitations
  • Links matching the context do not result in browser page load by default, instead they are handled with application routing. To opt-out, set the router-ignore attribute on the anchor element. This opt-out is needed for cases when native browser navigation is necessary, e. g., when using Anchor to link a StreamResource download.

Migrating from Vaadin 8

See the migration guide

Migrating from Vaadin 10-14

See the migration guide

Migrating from Vaadin 15

See the migration guide

Reporting Issues

We appreciate if you try to find the most relevant repository to report the issue in. If it is not obvious which project to add issues to, you are always welcome to report any issue at https://github.com/vaadin/platform/issues.

A few rules of thumb will help you and us in finding the correct repository for the issue:

  1. Bug tickets and enhancement requests that are specific to a certain Vaadin component should be posted in the component's Web Component repostory (e.g. https://github.com/vaadin/vaadin-button for Button).
  2. Issues that are not component-specific (e.g. requests for new components) or encompass multiple components should be posted in vaadin-flow-components repository.
  3. If you encounter an issue with Flow which does not seem to be related to a specific component, the problem is likely in Flow itself. The Flow repository is https://github.com/vaadin/flow
  4. If you encounter an issue with Designer, the repository is https://github.com/vaadin/designer
  5. If you encounter an issue with TestBench, the repository is https://github.com/vaadin/testbench
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